# Distance from Seattle (SEA) to Fort Smith (YSM)

> 1,550 km · estimated flight time 3h · Medium-haul route.

## Summary

- **Distance**: 1,550 km / 963 mi / 837 nm
- **Estimated flight time**: 3h
- **Heading**: 22° (north northeast)
- **Return heading**: 210° (south southwest)
- **Classification**: Medium-haul
- **Type**: International (United States) → Canada
- **Time difference**: +1h (When it's 21:15 in Seattle, it's 22:15 in Fort Smith)
- **Elevation difference**: 239 ft (YSM is higher than SEA)

## Airports

### [Seattle-Tacoma International Airport (SEA)](https://flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)

- City: Seattle, United States
- ICAO: KSEA
- Timezone: America/Los_Angeles
- Coordinates: 47.450000, -122.310000
- Elevation: 432 ft

### [Fort Smith Airport (YSM)](https://flightduration.online/airport/ysm-fort-smith-fort-smith-airport/1ef266de-b2b0-6e1a-ae6f-06bb2780ed98)

- City: Fort Smith, Canada
- ICAO: CYSM
- Timezone: America/Edmonton
- Coordinates: 60.020000, -111.960000
- Elevation: 671 ft

## Route notes

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

Time-zone information: When it's 21:15 in Seattle, it's 22:15 in Fort Smith.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Fort Smith Airport (YSM)](https://flightduration.online/airport/ysm-fort-smith-fort-smith-airport/1ef266de-b2b0-6e1a-ae6f-06bb2780ed98)
- [Flight duration calculator](/#calculator)